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JPL Small-Body Database Browser
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65634 (5644 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2065634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .15054878749809 4.0608e-08  
a 3.132888022149644 2.4846e-08 au
q 2.661235529047726 1.2968e-07 au
i 11.25597323414671 5.6906e-06 deg
node 151.4757520953784 2.3875e-05 deg
peri 106.1893829809566 3.0803e-05 deg
M 346.4704382768119 1.8757e-05 deg
tp 2459076.619681570285
(2020-Aug-15.11968157)
0.00010571 TDB
period 2025.422990482895
5.55
2.4095e-05
6.597e-08
d
yr
n .177740650566117 2.1144e-09 deg/d
Q 3.604540515251562 2.8587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      15445 days (42.29 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:16  

Additional Information
 Earth MOID = 1.67412 au 
 Jupiter MOID = 1.64051 au 
 T_jup = 3.166 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO299397  

65634 (5644 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 5644 T-3 = 1998 ME45 = 2002 CM136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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